// names_st.c -- define names_st functions
#include <stdio.h>
#include "names_st.h"     // include the header file

// function definitions
void get_names(names * pn)
{
	printf("Please enter your first name: ");
	s_gets(pn->first, SLEN);

	printf("Please enter your last name: ");
	s_gets(pn->last, SLEN);
}

void show_names(const names * pn)
{
	printf("%s %s", pn->first, pn->last);
}

char * s_gets(char * st, int n)
{
	char * ret_val;
	char * find;
	ret_val = fgets(st, n, stdin);
	if (ret_val)
	{
		find = strchr(st, '\n');  // look for newline
		if (find)                 // if the address is not NULL,
			*find = '\0';         // place a null character there
		else
			while (getchar() != '\n')
				continue;         // dispose of rest of line
	}
	return ret_val;
}